Smooth Symmetric Plaques on the Face, Trunk, and Extremities

A 44-year-old woman presented to the dermatology clinic with a widespread red, itchy, bumpy rash of 1 year's duration.Physical examination revealed smooth, coalescing, erythematous and edematous plaques on the face (notably the forehead, malar cheeks, and nose), back, arms, and legs.Several plaques on the back had central hypopigmentation.The patient also reported numbness and weakness in the fingers and toes, and hypoesthesia within the lesions was noted.A biopsy of one of the lesions on the left ventral forearm was performed.THE BEST DIAGNOSIS IS: a. granuloma annulare b. lepromatous leprosy c. mycosis fungoides